| Point Forecast: West Chatham MA 41.68N 69.99W (Elev. 10 m) |
Last Update: 2:03 pm EDT Jul 14, 2025 |
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| Date | 07/14 | 07/15 | ||||||||||||||||||||||
| Hour (EDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 22 |
| Dewpoint (°C) | 20 | 21 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Heat Index (°C) | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | ||||||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 71 | 67 | 68 | 80 | 82 | 80 | 79 | 88 | 88 | 79 | 79 | 81 | 80 | 76 | 68 | 59 | 58 | 52 | 44 | 32 | 40 | 53 | 65 | 62 |
| Precipitation Potential (%) | 4 | 5 | 6 | 8 | 14 | 16 | 21 | 28 | 30 | 35 | 32 | 27 | 24 | 16 | 11 | 10 | 7 | 6 | 5 | 4 | 3 | 3 | 6 | 6 |
| Relative Humidity (%) | 93 | 97 | 93 | 97 | 100 | 97 | 93 | 97 | 97 | 97 | 93 | 93 | 90 | 87 | 85 | 82 | 82 | 82 | 82 | 85 | 87 | 93 | 93 | 97 |
| Rain | -- | -- | -- | -- | -- | SChc | SChc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | SChc | SChc | SChc | SChc | SChc | SChc | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 07/16 | |||||||||||||||||||||||
| Hour (EDT) | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 |
| Temperature (°C) | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 22 | 23 | 24 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 24 | 24 | 23 |
| Dewpoint (°C) | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Heat Index (°C) | 24 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 24 | 24 | ||||||||||||
| Surface Wind (mph) | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 |
| Wind Dir | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW |
| Gust | ||||||||||||||||||||||||
| Sky Cover (%) | 59 | 56 | 58 | 60 | 62 | 63 | 65 | 66 | 63 | 60 | 57 | 53 | 50 | 46 | 46 | 47 | 47 | 50 | 52 | 55 | 60 | 66 | 71 | 74 |
| Precipitation Potential (%) | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 5 | 5 |
| Relative Humidity (%) | 97 | 97 | 96 | 96 | 97 | 98 | 100 | 100 | 98 | 94 | 90 | 87 | 84 | 82 | 79 | 78 | 77 | 76 | 77 | 79 | 82 | 86 | 90 | 93 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
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